Home / 14,592.12-20,135.10-8,217.64

Finding the Fourth Proportional to 14,592.12, 20,135.10 and 8,217.64

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Solution

The fourth proportional to 14,592.12, 20,135.10 and 8,217.64 is: 11,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,592.12 : 20,135.10 = 8,217.64 : x
  2. Step 2: Convert to fraction form
    14,592.12/20,135.10 = 8,217.64/x
  3. Step 3: Cross multiply
    14,592.12x = 20,135.10 × 8,217.64
  4. Step 4: Simplify right side
    14,592.12x = 165,463,003.16
  5. Step 5: Solve for x
    x = 165,463,003.16/14,592.12
  6. Step 6: Final answer
    x = 11,339.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.